Question

a(n) ____________ operating system lets one person perform one task at a time on a computer. a. multi - user b. single - user/single task c. d. multi - task real time

Explanation:

A multi - user operating system allows multiple users, a multi - task system allows multiple tasks. A real - time system is for time - critical operations. A single - user/single - task operating system allows one person to perform one task at a time.

Answer:

B. Single-user/single task